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Astronomers dissect the aftermath of a supernova

November 10, 2014 4:18 pm | by EurekAlert! | Comments

In research published today in the Astrophysical Journal, an Australian led team of astronomers has used radio telescopes in Australia and Chile to see inside the remains of a supernova. The supernova, known as SN1987A, was first seen....

Obama wants more regulation of Internet providers

November 10, 2014 4:05 pm | by Anne Flaherty, Associated Press | Comments

President Barack Obama touched off an angry debate Monday over government regulation of Internet service, coming down on the side of consumer activists who fear slower download speeds and higher costs but angering Republicans and the nation's ...

Lighter, cheaper radio wave device could transform telecommunications

November 10, 2014 12:55 pm | by EurekAlert! | Comments

Researchers at the Cockrell School of Engineering at The University of Texas at Austin have achieved a milestone in modern wireless and cellular telecommunications, creating a radically smaller, more efficient radio wave circulator that could be used....

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Photos of the Day: Using 3D-printing to land a spacecraft on a comet

November 10, 2014 12:46 pm | by ECN Staff | Comments

The Rosetta spacecraft was launched in 2004, with the intent to give the most in depth understanding of a comet that humanity has to date. Last August, the spacecraft became the first to successfully rendezvous with a comet with the intent to orbit....

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New electron spin secrets revealed

November 10, 2014 12:28 pm | by EurekAlert! | Comments

Researchers from the Norwegian University of Science and Technology (NTNU) and the University of Cambridge in the UK have demonstrated that it is possible to directly generate an electric current in a magnetic material by rotating its magnetization....

Good vibrations give electrons excitations that rock an insulator to go metallic

November 10, 2014 12:24 pm | by EurekAlert! | Comments

For more than 50 years, scientists have debated what turns particular oxide insulators, in which electrons barely move, into metals, in which electrons flow freely. Some scientists sided with Nobel Prize-winning physicist Nevill Mott in thinking direct interactions ...

A billion holes can make a battery

November 10, 2014 12:20 pm | by EurekAlert! | Comments

Researchers at the University of Maryland have invented a single tiny structure that includes all the components of a battery that they say could bring about the ultimate miniaturization of energy storage components. The structure is called ...

Heat transfer sets the noise floor for ultrasensitive electronics

November 10, 2014 12:14 pm | by EurekAlert! | Comments

A team of engineers and scientists has identified a source of electronic noise that could affect the functioning of instruments operating at very low temperatures, such as devices used in radio telescopes and advanced physics experiments....

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Laptop-cooling technology are way to less-thirsty power plants

November 10, 2014 12:09 pm | by EurekAlert! | Comments

Every minute in the United States, power plants that generate electricity use nearly triple the amount of water that surges over Niagara Falls during that same time, according to the Union of Concerned Scientists. In an era of drought and diminishing aquifers ...

NASA: Comet bombarded Mars sky with meteor shower

November 10, 2014 12:04 pm | by SETH BORENSTEIN, AP Science Writer | Comments

A pristine distant comet created a once-in-8-million-year fireworks show above Mars last month. But no one got to see it live. New NASA data from satellites circling Mars shows that when the comet named Siding Spring skimmed the red planet ...

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US agencies struggle vs. cyberattacks

November 10, 2014 11:59 am | by MARTHA MENDOZA, AP National Writer | Comments

A $10 billion-a-year effort to protect sensitive government data, from military secrets to Social Security numbers, is struggling to keep pace with an increasing number of cyberattacks and is unwittingly being undermined by federal employees and contractors....

Army addresses challenges of remote robot lethality

November 10, 2014 7:54 am | by U.S. Army | Comments

In popular culture, the idea of robots that perform human-like functions has a special hold on the imagination, based on real-life examples like space exploration, unmanned aerial drones and stoked by futuristic scenarios in movies like the "Terminator" series....

One of Army's top priorities is building lighter communications systems

November 10, 2014 7:53 am | by U.S. Army | Comments

The Army's general in charge of all things tied to the network said one of his top priorities is to build lighter communications systems, during the Association of the U.S. Army Institute of Land Warfare breakfast, Nov. 5, 2014, in Arlington, Virginia....

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Mars spacecraft reveal comet flyby effects on Martian atmosphere

November 10, 2014 7:51 am | by NASA | Comments

Two NASA and one European spacecraft that obtained the first up-close observations of a comet flyby of Mars on Oct. 19, have gathered new information about the basic properties of the comet’s nucleus and directly detected the effects on the Martian atmosphere....

Wayward comet buzzes Mars

November 7, 2014 4:21 pm | Comments

Two NASA and one European spacecraft, including NASA's MAVEN mission led by the University of Colorado Boulder, have gathered new information about the basic properties of a wayward comet that buzzed by Mars Oct. 19, directly detecting its effects on the Martian atmosphere.

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